Description : Soils in the Mahanadi delta are less fertile than those in the Godavari delta because of: (A) erosion of top soils by annual floods (B) inundation of land by sea water (C) traditional agriculture practices (D) the derivation of alluvial soil from red-soil hinterland
Last Answer : Answer: A The Mahanadi was notorious for its devastating floods for much of recorded history. Thus it was called 'the sorrow of Orissa'. However the construction of the Hirakud Dam has greatly ... matter of great concern. Indiscriminate damming along the river has been cited as an obvious reason.
Description : Seed rate of lentil crop is —kg/ha a. 12 to 15 b. 20 to 25 c. 30 to 40 d. 45 to 50
Last Answer : c. 30 to 40
Description : How has the lava-flow rocks of Deccan Plateau changed into fertile black soils? -SST 10th
Last Answer : The Deccan Plateau region is built up by the lava-flow rocks, which have been changed into fertile black soils because of continuous weathering through ages. The region of black soil is very suitable for cultivation of cotton plants.
Description : what are two fertile soils in cholanagpur pleatue?
Last Answer : pls
Description : The Indo-Gangetic Plains of India are fertile due to (a) the heavy and timely rains and forests (b) alluvial soils brought by the rivers from the mountains (c) hard labour of the farmers over the generations (d) better irrigation facilities
Last Answer : Ans: (b)
Description : Which of the following characteristics is not true of alluvial soils? (a) These vary from sandy loam to clay in texture (b) These are generally rich in phosphorus but poor in potash (c) These are usually fine grained (d) These are by far the most fertile
Description : The largest part of Australia is __________ (A) sandy beaches. (B) fertile soils. (C) forests. (D) a desert.
Last Answer : (D) a desert.
Description : Alluvial soils are usually (i) Rich in nitrogen (ii) Poor in humus (iii) Highly fertile (iv) Easy to plough (1) (i), (ii) and (iv) (2) (ii), (iii) and (iv) (3) (i), (iii) and (iv) (4) (i), (ii) and (iii)
Last Answer : (i), (ii) and (iii)
Description : 5-10-5 fertilisers mean that they contain (A) 5, 10, 5% respectively of N2 , P2O5 and K2O (B) Only 5 to 10% active fertiliser constituents (C) 5 to 10% filler & carrier of soil conditioners (D) None of these
Last Answer : (A) 5, 10, 5% respectively of N2 , P2O5 and K2O
Description : Which of the following soils has self-aeration capacity? (a) Alluvial soil (b) Black soil (c) Red soil (d) Mountain soil
Last Answer : (b) Black soil
Description : Increasing human population put pressure on the natural resources such as land, soil, water, fossil fuels etc. IT causes - I. Soil erosion II. Salinization of soils III. Desertification IV. Eutrophication a. I and II b. I, II and III c. III and IV d. I, II, III and IV
Last Answer : d. I, II, III and IV
Description : The soils that that lies on the site of their formation, without transporting, just above their parent rock are called? a. Parasitic soil b. Docile Soil c. Sedentary soil d. Metamorphosis soil
Last Answer : c. Sedentary soil
Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... . Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored
Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.
Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored.
Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored
Description : White alkali soils are — a. Acidic soil b. Sodic soil c. Saline soil d. Saline Sodic soil
Last Answer : c. Saline soil
Description : Black soils belongs to — soil order a. Alfisol b. Vertisol c. Inceptisol d. Entisol
Last Answer : b. Vertisol
Description : In which soils, lime is used as soil amendment ? (A) Alkali (B) Acid (C) Saline (D) Saline-Alkali solis
Last Answer : (B) Acid
Description : shaped blades are best suited for i. Minimum tillage of trashy land at shallow depths j. Dried hard soils k. Cutting and pulverisation in wet sticky clay soil l. Working under normal field conditions
Last Answer : i. Minimum tillage of trashy land at shallow depths
Description : Flat rate parcel rates Flat Rate Parcel Boxes size Dimension of boxes (in mm) Weight (in Kg.) Tariff (in Rs.) Small - S 250*50*300 0 to 1 125 Medium - M 250*100*300 Above 1 to 2.5 200 Large - L 300*250*200 Above 2.5 to 5 400
Last Answer : Large - L 300*250*200 Above 2.5 to 5 400
Description : The ratio of the crop yield to the total amount of water used for irrigation is called, measured in kg/ha-cm is
Last Answer : Ans.Water use efficiency
Description : Seed-rate for timely sown wheat is— (A) 75 kg/ha (B) 100 kg/ha(C) 125 kg/ha (D) 150 kg/ha
Last Answer : (C) 125 kg/ha
Description : The optimum seed rate of Blackgram in rice fallows of Andhra Pradesh ( Kg/ha) a] 10-15 b] 15-20 c] 25-30 d] 40-5
Last Answer : d] 40-50
Description : For kharif season seed rate of sorghum (a) 8-10kg/ha (b) 10-12kg/ha (c) 15-20kg/ha (d) 20-25 kg/ha
Last Answer : (b) 10-12kg/ha
Description : Average Maize yield in India is (a) 1000 kg/ha (b) 1800 kg/ha (c) 2500 kg/ha (d) 4000 kg/ ha
Last Answer : (c) 2500 kg/ha
Description : Seed rate of cluster bean? a 25-30 kg/ha b 15-18 kg/ha c 20-22 kg/ha d 18-20 kg/ha
Last Answer : a 25-30 kg/ha
Description : Formula for established plant to the seed sown based on the delivery rate (kg/ha) is A. CI=[(E×10000) /(D×W) ]×100 B. CI=[E/(N+E) ]×100 C. Both (A) and (B) D. None of (A) and (B)
Last Answer : A. CI=[(E×10000) /(D×W) ]×100
Description : Application rates for dusters are a.40 kg/ha
Last Answer : a.
Description : If the yield from weed free is 3500 kg and that from weedy 1500 kg/ha, weed index would be a). 57.1% b). 133.3% c). 45.0% d). 25.6%
Last Answer : a). 57.1%
Description : Effective rate (kg/ha) of 2,4-D for weed control a). 0.2-0.5 b). 0.5-1.0 c). 2 d). 5
Last Answer : b). 0.5-1.0
Description : A post-emergence herbicide in Soy bean a). Pendimethalin 1.2 kg/ha b). Quazalofop – ethyl 60 g/ha c). Fluchloralin 0.9 kg/ha d). Thiobencarb 1.50 kg/ha
Last Answer : b). Quazalofop – ethyl 60 g/ha
Description : Amount of Alachlor 50% EC for spray ing 12 ha maize field (given the dose 1.5 kg ai/ha) a). 36 kg b). 18 kg c). 54 kg d).12 kg
Last Answer : a). 36 kg
Description : If 1.35 kg/ha of fluchloralin is to be ap plied, Basalin 45 SL required is a). 3 litre b). 2 litre c). 1.35 litre d).2.7 litre
Last Answer : a). 3 litre
Description : The amount of liquid required for spraying of plantation crops is : a.) 200-400L/ha b.) 400-600L/ha c.) 600-800L/ha d.) 1000-1200L/ha
Last Answer : d.) 1000-1200L/ha
Description : he amount of liquid required for ground spraying of agricultural crops is : a.) 400-600L/ha b.) 200-400L/ha c.) 1000-2000L/ha d.) 600-800L/ha
Last Answer : a.) 400-600L/ha
Description : Nursery area required for seedling of rice of 1 ha field is — a. 0.10 ha b. 0.20 ha c. 0.30 ha d. 0.50 ha
Last Answer : a. 0.10 ha
Description : One ha cm of water is equal to — a. 1000 litre b. 10000 litre c. 100000 litre d. None of these
Last Answer : c. 100000 litre
Description : The combined mass of car and passengers travelling at 72 km/hr is 1500 kg. Find the kinetic energy of this combined mass. (Formula: K =mv2 / 2k ) a. 300 kJ b. 200 kJ c. 500 kJ d. None of the above
Last Answer : 300 kJ
Description : The vectors `vec(a)=(2-x)hat(i)+2 hat(j)+2hat(k)," "vec(b) = 2hat(i)+(2-y)hat(j)+2hat(k)," "vec(c)=2hat(i)+2hat(j)+(2-z)hat(k) and vec(d) = hat(i) +ha
Last Answer : The vectors `vec(a)=(2-x)hat(i)+2 hat(j)+2hat(k)," "vec(b) = 2hat(i)+(2-y)hat(j)+2hat(k)," "vec(c)=2hat(i)+ ... ` D. ` 1/(x-2)+ 1/(y-2)+ 1/(z- 2) = 1`
Description : An animal drawn seed drill has k number of furrow openers 180mm apart. If the speed of operation is 2.0kmph, the area covered (ha), in 8-11day is given by: A. 1.85/1000k B. 28.8 x 10-2k C. k/6.56 D. 1.762k
Last Answer : B. 28.8 x 10-2k
Description : An animal drawn seed drill has k number of furrow openers 180mm apart. If the speed of the operation is 2.0kmph then the area covered (ha), in 8 hr day is given by: a) 1.85/1000k b) 28.8 * 10-2k c) k/6.456 d) 1.762k
Last Answer : b) 28.8 * 10-2k
Description : Nutrient index between 1.5 and 2.5 is categorized as a. High b. Low c. Medium d. None of these
Last Answer : c. Medium
Description : Commercial available medium size machines have a speed range of ______ . (a) 200 to 400 r.p.m. (b) 600 to 1000 r.p.m. (c) 1000 to 1500 r.p.m. (d) 2000 to 2500 r.p.m.
Last Answer : (d) 2000 to 2500 r.p.m.
Description : In Haber process of production of ammonia K2O is used as :
Last Answer : In Haber process of production of ammonia K2O is used as : a. catalyst b. inhibitor c. promotor d. adsorbate
Description : Potassic fertilizer containing highest amount of K2O
Last Answer : Ans. Muriate of potash/KCl (60%K2O)
Description : The relative percentage of N2 , P2O5 and K2O” in a fertilizer
Last Answer : Ans. Fertilizer ratio
Description : Which of the following oxide(s) is/are soluble in water to form alkalis? (i) Na2O (ii) SO2 (iii) K2O (iv) NO2 (a) (i) and (iii) (b) (i) only (c) (ii) and (iv) (d) (iii) only
Last Answer : Answer: (a)
Description : Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O
Last Answer : Ca